| 摘要 |
The invention provides a cleaning apparatus which can remove an organic material for an organic EL element attaching to a mask made of a thin metal film. The cleaning apparatus of the invention includes first and second cleaning tanks cleaning a mask with a predetermined cleaning solution at room temperature, first and second rinse tanks rinsing the mask with a predetermined rinse solution at room temperature, and a carrying device holding the mask at a predetermined angle other than horizontally and carrying the mask held at the predetermined angle to the first and second cleaning tanks and the first and second rinse tanks without damage occurring to the thin metal film of the mask by stress caused by gravity. The carrying device holds the mask horizontally at first, stands up in a vertical direction while holding the mask to hold the mask at the predetermined angle.
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